| 摘要 |
For first write request to a virtual volume, the first storage apparatus performs processing by a method of either a first write processing method that stores write data in a first logical volume associated with the virtual volume as well as transfers a first write request, to the second storage apparatus, for storing the write data in a second logical volume associated with the virtual volume of the second storage apparatus or a second write processing method that transfers a first write request, to the second storage apparatus, then selects a processing method according to a first IO load on a first area of the virtual volume of the first storage apparatus and a second IO load on the first area of the virtual volume of the second storage apparatus to perform a processing for the first write request. |
